Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
hoc tien » hoc tieng, hoc hien, hoc vien
huy dung » huy duong, thuy dung, huy dong
cong tac » cong ty
cong tan » cong san, cong thanh, cong ty
toan cau » toan cao, toan ban, toan tap
quang » quan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien thanh - tinh quang huy dung ((cong tac) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien thanh - tinh quang huy dung ((cong tac) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc tien thanh - tinh quang huy dung ((cong tac) or (cong tan)) toan cau*.